Where Observation Is Concerned, Chance Favors Only

The Artificial Products Do Not Have Any Molecular Dissymmetry; And I Could Not Indicate The Existence Of A More Profound Separation Between The Products Born Under The Influence Of Life And All The Others.

When One Works And Imagines And Dreams Of Nothing Else Than The Search For Answers That God Has Posed, It Is Difficult To Be So Still.

Do Not Put Forward Anything That You Cannot Prove By Experimentation.

I Give Them Experiments And They Respond With Speeches.

Great Problems Are Now Being Handled, Keeping Every Thinking Man In Suspense; The Unity Or Multiplicity Of Human Races; The Creation Of Man 1,000 Years Or 1,000 Centuries Ago; The Fixity Of Species, Or The Slow And Progressive Transformation Of One Species Into Another; The Eternity Of Matter; The Idea Of A God Unnecessary: Such Are Some Of The Questions That Humanity Discusses Nowadays.